Journal of System Simulation ›› 2023, Vol. 35 ›› Issue (8): 1757-1767.doi: 10.16182/j.issn1004731x.joss.22-0456
											• 
					
													Jingwen Guan1(
), Xiao Song2(
), Xiaoqing Li3, Tong Yang2, Junhua Zhou3
												  
						
						
						
					
				
Received:2022-05-06
															
							
																	Revised:2022-09-04
															
							
															
							
																	Online:2023-08-25
															
							
																	Published:2023-08-15
															
						Jingwen Guan, Xiao Song, Xiaoqing Li, Tong Yang, Junhua Zhou. Research on Nested Named Entity Recognition in Missile Field Text[J]. Journal of System Simulation, 2023, 35(8): 1757-1767.
Table 3
Comparison of experimental results of flat entity recognition
| 实验方法 | 精确率 | 召回率 | F1值 | 
|---|---|---|---|
| BiLSTM-CRF[ |  0.503 4 | 0.501 9 | 0.502 6 | 
| Bert-BiLSTM-CRF[ |  0.653 5 | 0.692 3 | 0.672 3 | 
| BERT-MRC[ |  0.695 4 | 0.723 1 | 0.709 0 | 
| Roberta-BiLSTM-CRF[ |  0.699 3 | 0.723 8 | 0.711 3 | 
| MRC-NER-LF | 0.703 5 | 0.742 3 | 0.722 4 | 
| 1 |  
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